Internationally, Bia hit the world stage at the age of 14, representing Brazil at the 2008 FIFA U-17 World Cup. She began her senior career three years later, with her first cap coming in a 3-0 friendly win over Chile. She has 103 appearances for Brazil with 36 goals. She is a veteran of four FIFA World Cups (2011, 2015, 2019, 2023) and two Olympic games (2016, 2020).